Thread: Question for the 617 veterans, would this knock scare you away from buying this car?
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Old 11-19-2017, 08:33 PM
R-3350 R-3350 is offline
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Join Date: Jun 2015
Posts: 166
thats not an injector nailing its metal on metal. it could be something in the valve train as it doesn't sound as deep as a rod does when it goes. if you go take a look look at the blowby and see if the sound resonates in the intake or if you remove the oil cap.
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1985 300D om617: 8mm M pump 175cc 5200rpm, holset he221w @ 30psi, large A2W ic, compounds on the way.
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